摘要 |
<p>PCT No. PCT/AT93/00082 Sec. 371 Date Jan. 5, 1994 Sec. 102(e) Date Jan. 5, 1994 PCT Filed May 13, 1993 PCT Pub. No. WO93/23461 PCT Pub. Date Nov. 25, 1993.The invention concerns a compressible prepreg based on flat substrates impregnated with thermosetting synthetic resins, characterized in that it comprises a first, C stage synthetic-resin layer directly deposited on the substrate and a second, B stage synthetic-resin layer deposited on the first synthetic-resin layer.</p> |